TCAI vs. ^GSPC

Last updated Aug 2, 2026

TCAI (Tortoise AI Infrastructure ETF) is Artificial Intelligence fund actively managed by Tortoise, while ^GSPC (S&P 500 Index) is an index. Their 0.67 correlation means they have sometimes moved together and sometimes differently.

Performance

TCAI vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tortoise AI Infrastructure ETF (TCAI) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TCAI achieves a 55.27% return, which is significantly higher than ^GSPC's 9.41% return.

TCAI

• 1D: -0.41%
• 1M: -7.41%
• 6M: 37.28%
• YTD: 55.27%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

^GSPC

• 1D: 0.70%
• 1M: 0.09%
• 6M: 7.94%
• YTD: 9.41%
• 1Y: 20.07%
• 3Y*: 17.84%
• 5Y*: 11.25%
• 10Y*: 13.26%
• ALL TIME*: 8.09%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
^GSPC S&P 500 Index	$37.98T	$37.61T	$41.48T
TCAI Tortoise AI Infrastructure ETF	$4.79M	$5.54M	$6.96M

TCAI vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025
TCAI Tortoise AI Infrastructure ETF	55.27%	17.27%
^GSPC S&P 500 Index	9.41%	8.14%

Correlation

The correlation between TCAI and ^GSPC is 0.67, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (All Time) Calculated using the full available price history since Aug 5, 2025	0.67

Return for Risk

TCAI vs. ^GSPC — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

TCAI

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

^GSPC

^GSPC Risk / Return Rank: 68
^GSPC Sharpe Ratio Rank: 64
^GSPC Sortino Ratio Rank: 63
^GSPC Omega Ratio Rank: 66
^GSPC Calmar Ratio Rank: 65
^GSPC Martin Ratio Rank: 83

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

TCAI vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tortoise AI Infrastructure ETF (TCAI) and S&P 500 Index (^GSPC). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	TCAI	^GSPC	Difference
Sharpe ratio: Return per unit of total volatility	—	1.42	—
Sortino ratio: Return per unit of downside risk	—	1.98	—
Omega ratio: Gain probability vs. loss probability	—	1.25	—
Calmar ratio: Return relative to maximum drawdown	—	2.00	—
Martin ratio: Return relative to average drawdown	—	8.49	—

Drawdowns

TCAI vs. ^GSPC - Drawdown Comparison

The maximum TCAI drawdown since its inception was -28.82%, smaller than the maximum ^GSPC drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for TCAI and ^GSPC.

Drawdown Indicators

	TCAI	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-28.82%	-56.78%	+27.96%
Max Drawdown (1Y) Largest decline over 1 year	—	-9.10%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-18.90%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-25.43%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.92%	—
Current Drawdown Current decline from peak	-20.91%	-1.58%	-19.33%
Average Drawdown Average peak-to-trough decline	-4.71%	-10.70%	+5.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.14%	—

Volatility

Volatility by Period

	TCAI	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.51%	—
Volatility (6M) Calculated over the trailing 6-month period	—	10.11%	—
Volatility (1Y) Calculated over the trailing 1-year period	41.71%	12.87%	+28.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.71%	17.01%	+24.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.71%	18.07%	+23.64%

Frequently Asked Questions

Can I hold both TCAI and ^GSPC in my portfolio?

TCAI and ^GSPC have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.